Not that I’m unwilling to lend you a hand, I’m too busy for the moment.

______Mr. Green __________to work by car—Yes, he does.

To my understanding, a high school graduate has already reached a point in his/her life ______ he/she is supposed to make decisions of his/her own.

The fact that so many people still smoke in public places________ that we may need a nationwide campaign ________ awareness of the risks of smoking.

Here is __________ “u” and ________ “l” in the word “ruler”.